Long gone are the days of squinting to read in the dark. This booklight is so thin that when you're done reading just pop it into your book & use it as a bookmark. Though it's slender you can't miss it with the brilliant blue print. The Lowdown And why is it called Flexilight? Because it bends forwards at any angle so you can position the quality LED (and its whopping 8 lumens of light) anywhere you want it. Batteries included.